Expressions
What is an equivalent expression to 3(x + 4) ?
3x + 12
Tonya scored a 10 out of 25 on her math test. What percent did she score?
40%
A list of numbers is shown.
7, 14, 15, 9, 11, 14, 11, 10, 17
What is the median of the list of numbers?
11
A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?
3:5
Which ordered pair represents a reflection of the point (–3, 5) across the y-axis?
(3, 5)
Using the GCF, Write an expression that is equivalent to 20x – 24y
4(5x - 6y)
Sarah earns $500 per week and spends 25% of her earnings on transportation. How much does Sarah spend on transportation every week?
125
A list of numbers is shown.
7, 14, 15, 9, 11, 14, 11, 10, 17
What is the mean of the list of numbers?
12
The ratio of red to blue balloons is 2:5. If I have 30 blue balloons, how many red balloons are there?
12
What is the value of (1/2)3
1/8
What is the value of ab3 when a=3 and b=2 ?
24
Jenny has finished 12 of the 20 lessons in her piano book. Liam has finished the same percent of lessons from his piano book. His book contains 50 lessons. How many lessons has Liam finished?
30
What is the value of the greastest measure of center (mean and median) of the list of data ?
75, 71, 81, 68, 85
76 Mean
A set of stickers contains 4 hearts for every 6 stars. Which choice contains an equivalent ratio of hearts to stars?
A 6 hearts to 8 stars
B 2 hearts to 4 stars
C 1 heart to 3 stars
D 10 hearts to 15 stars
D
Andy runs the same number of miles, x, every day. His total distance run for one week is less than 60 miles. Which inequality represents how many miles Andy runs each day?
A 7 + x > 60
B 7 + x < 60
C 7x > 60
D 7x < 60
D
What is the value of (62 – 10) ÷ 13 × 23?
16
125 sixth grade students chose to watch a movie on the last day of school. This is 25% of the 6th-grade class. How many total students are in the 6th grade?
500
Jamal scored 62, 75, 76, and 90 on four tests. What does he need to score on the fifth test in order to have a mean of exactly 80?
A 80
B 100
C 93
D 97
97
There are 5 trucks for every 7 cars in a parking lot. How many trucks and cars could be in the parking lot?
A 60 trucks and 62 cars
B 72 trucks and 77 cars
C 80 trucks and 112 cars
D 90 trucks and 170 cars
C
What is the value of (3x)2 When x= 2/3
4
Use the distributive property and combine like terms to create an equivalent expression for
12 + 8(4x + 7) - 21x
11x + 68
If 45% of a number, n, is 225, what is 74% of n ?
370
What is the lower quartile of this list of data.
22, 12, 42, 24, 16, 40, 18, 28
17
The ratio of cupcakes to brownies is 9:15. Which is an equivalent ratio ?
A. 3:10 B. 6:10
C. 18:21 D. 12:30
B
Karen has a cube that has a side length of 4 in. What is the surface area of the cube?
96